80563217 has 8 divisors (see below), whose sum is σ = 94031616. Its totient is φ = 67584672.

The previous prime is 80563213. The next prime is 80563229. The reversal of 80563217 is 71236508.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80563217 - 2² = 80563213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80563213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122108 + ... + 122765.

It is an arithmetic number, because the mean of its divisors is an integer number (11753952).

Almost surely, 2^80563217 is an apocalyptic number.

It is an amenable number.

80563217 is a deficient number, since it is larger than the sum of its proper divisors (13468399).

80563217 is a wasteful number, since it uses less digits than its factorization.

80563217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244927.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 80563217 is about 8975.7014767649. The cubic root of 80563217 is about 431.8957528094.

The spelling of 80563217 in words is "eighty million, five hundred sixty-three thousand, two hundred seventeen".